Investing & Growth
Informational & Educational Purpose Only

The 120-Minus-Age Longevity Protection Rule

Protecting Retirement Savings Against Increasing Indian Life Expectancy

With rising medical longevity, the 120-Minus-Age rule ensures your money outlives you by keeping a slightly higher growth allocation alongside guaranteed fixed income.

120-Minus-Age Longevity Formula

Growth % = 120 - Age. Safe Fixed Income % = Age - 20. Designed for retirees planning for 30+ year retirement horizons.

The 120-Minus-Age Asset Split Simulator

Calculate Your Growth vs Safe Fixed Income Split

35 Years Old
₹10,00,000
Growth Allocation (85%)85%
₹8,50,000Growth mutual funds / equities
Safe Fixed Income (15%)15%
₹1,50,000PPF, EPF, SCSS, SSY, Bank FDs

Visual Process Timeline

1

Longevity Calculation

Growth % = 120 - Age.

2

Fixed Income Parking

Place remaining % in SCSS, POMIS, and Bank FDs.

Why This Rule Works So Well

Retirees today live 25-30+ years post-retirement. 120-minus-age prevents running out of money at age 80.

Balances growth needs with guaranteed fixed income safety.

Real Family Scenarios

Young Professional

30-Year-Old Investor

Age 30.

90% Growth / 10% Safe Fixed Income
Maximum long-term compounding duration.

Common Mistakes & Costly Pitfalls

Zero Fixed Income Allocation in Youth

Even young investors should keep 10% in PPF/EPF for emergency liquidity.

Impact: Lack of risk-free buffer.

Where This Shortcut Breaks Down

Every Financial Shortcut Has Limits

While this shortcut is excellent for quick mental estimation, here is exactly where reality diverges from theory:

  • Too aggressive for conservative seniors with no secondary pension.
Exact Financial Planning Tools

Suitable Calculators for 120-Minus-Age Rule

Want to calculate exact compound interest, retirement targets, or loan EMIs based on this rule? Use these free interactive calculators:

Frequently Asked Questions

Is 120-minus-age safe for retirees?

At age 60, it allocates 60% growth and 40% safe fixed income (SCSS/POMIS).